.page-faq {
  --faq-line: rgba(61, 110, 143, 0.26);
  --faq-line-soft: rgba(61, 110, 143, 0.14);
  --faq-coral-soft: rgba(240, 138, 138, 0.45);
  --faq-gold-soft: rgba(216, 166, 87, 0.16);
  --faq-shadow: rgba(23, 63, 95, 0.07);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--sans);
  padding-bottom: 56px;
}

.page-faq .breadcrumbs {
  padding-top: 18px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 14px;
  padding-bottom: 8px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-hero__eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tide);
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 6px;
  margin-bottom: 18px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.8rem, 5.2vw, 3.2rem);
  line-height: 1.24;
  letter-spacing: 0.04em;
  color: var(--deep);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 三步自检 */
.page-faq .faq-check {
  position: relative;
  background: var(--deep);
  color: var(--mist);
  padding: 24px 20px 22px;
  border-radius: 2px;
  box-shadow: 10px 10px 0 rgba(216, 166, 87, 0.28);
}

.page-faq .faq-check::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--coral);
}

.page-faq .faq-check__title {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-check__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-check__num {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.9;
  color: var(--gold);
  border-top: 1px solid rgba(216, 166, 87, 0.55);
  padding-top: 2px;
}

.page-faq .faq-check__text {
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(247, 244, 239, 0.92);
}

/* 首屏图 */
.page-faq .faq-hero__figure {
  margin: 30px 0 0;
}

.page-faq .faq-hero__figure .media__frame {
  background: var(--paper);
  border: 1px solid var(--faq-line);
  padding: 10px;
  box-shadow: 14px 14px 0 var(--faq-shadow);
}

.page-faq .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-hero__figure .media__img {
  aspect-ratio: 4 / 3;
}

.page-faq .media__caption {
  margin-top: 12px;
  padding-left: 10px;
  border-left: 2px solid var(--coral);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--tide);
}

/* ---------- 主体三栏 ---------- */
.page-faq .faq-body {
  padding-top: 40px;
  display: grid;
  gap: 30px;
}

.page-faq .faq-index {
  border-top: 2px solid var(--deep);
  padding-top: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--tide);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px 9px 8px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--night);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--coral);
  background: var(--paper);
  outline: none;
}

.page-faq .faq-index__no {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
}

/* ---------- 章节 ---------- */
.page-faq .faq-chapter {
  scroll-margin-top: 92px;
  padding-bottom: 34px;
}

.page-faq .faq-chapter + .faq-chapter {
  padding-top: 34px;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .faq-chapter__no {
  flex: 0 0 auto;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #7a5a1f;
  background: var(--faq-gold-soft);
  border: 1px solid rgba(216, 166, 87, 0.5);
  border-radius: 2px;
}

.page-faq .faq-chapter__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.1875rem, 3vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--deep);
}

.page-faq .faq-chapter__lead {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 17px 6px 17px 2px;
  list-style: none;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  background: rgba(255, 253, 248, 0.85);
  outline: none;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  background: var(--paper);
  transition: transform 0.3s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--tide);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::before {
  width: 8px;
  height: 1px;
}

.page-faq .faq-item__sign::after {
  width: 1px;
  height: 8px;
  transition: opacity 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--coral);
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  opacity: 0;
}

.page-faq .faq-item__q {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--deep);
}

.page-faq .faq-item__body {
  padding: 0 0 20px 34px;
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
  max-width: 36em;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__body a {
  color: var(--tide);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--coral);
}

/* 步骤编号 */
.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 38px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  width: 28px;
  height: 21px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--deep);
  background: var(--faq-gold-soft);
  border-left: 2px solid var(--gold);
  border-radius: 1px;
}

/* 珊瑚粉提示框 */
.page-faq .faq-hint {
  margin: 14px 0 4px;
  padding: 14px 16px;
  max-width: 36em;
  background: var(--paper);
  border: 1px solid var(--faq-coral-soft);
  border-left: 3px solid var(--coral);
  border-radius: 2px;
}

.page-faq .faq-hint__label {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--deep);
}

.page-faq .faq-hint p:last-child {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--ink);
}

/* 插入图 */
.page-faq .faq-side-figure {
  margin: 28px 0;
}

.page-faq .faq-side-figure .media__frame {
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  padding: 8px;
  box-shadow: -10px 10px 0 var(--faq-shadow);
}

.page-faq .faq-side-figure .media__img {
  aspect-ratio: 1 / 1;
}

/* ---------- 自检清单 ---------- */
.page-faq .faq-checkstrip {
  margin: 0 0 24px;
  padding: 18px 18px 20px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--gold);
  border-radius: 2px;
  box-shadow: 8px 8px 0 var(--faq-shadow);
}

.page-faq .faq-checkstrip__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--tide);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-checklist li::before {
  content: "";
  width: 13px;
  height: 13px;
  margin-top: 6px;
  border: 1px solid var(--tide);
  border-radius: 2px;
  background: var(--mist);
}

/* ---------- 页尾行动区 ---------- */
.page-faq .faq-cta {
  margin-top: 28px;
  padding: 26px 20px;
  background: var(--night);
  color: var(--mist);
  border-radius: 2px;
  border-left: 4px solid var(--coral);
}

.page-faq .faq-cta__text {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  max-width: 30em;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 右侧窄栏提示 ---------- */
.page-faq .faq-note {
  display: grid;
  gap: 18px;
}

.page-faq .faq-note__card {
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  border-top: 3px solid var(--gold);
  padding: 15px 16px 17px;
  box-shadow: 6px 6px 0 var(--faq-shadow);
}

.page-faq .faq-note__title {
  margin: 0 0 9px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--tide);
}

.page-faq .faq-note__text {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-check__list {
    gap: 18px;
  }

  .page-faq .faq-cta {
    padding: 30px 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 20px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
  }

  .page-faq .faq-hero__figure {
    margin-top: 40px;
  }

  .page-faq .faq-side-figure {
    margin: 36px 0;
  }

  .page-faq .faq-side-figure .media__frame {
    margin-left: 34px;
  }

  .page-faq .faq-side-figure .media__img {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 196px minmax(0, 1fr) 228px;
    gap: 42px;
    align-items: start;
    padding-top: 52px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-note {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-chapter {
    padding-bottom: 40px;
  }

  .page-faq .faq-chapter + .faq-chapter {
    padding-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item summary,
  .page-faq .faq-item__sign,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}